move interactive function init out of main loop

These values don't change between runs, so there's no point in recreating
them on every instruction step.  Pull it out to the top to simplify.

diff --git a/riscv/interactive.cc b/riscv/interactive.cc
index 2dd1cada56578705b706a36424c527f83468efd0..abdcc3991b985838bcd29499324a1c34ced11485 100644 (file)
--- a/riscv/interactive.cc
+++ b/riscv/interactive.cc
@@ -48,6 +48,20 @@ static std::string readline(int fd)
 
 void sim_t::interactive()
 {
+  typedef void (sim_t::*interactive_func)(const std::string&, const std::vector<std::string>&);
+  std::map<std::string,interactive_func> funcs;
+
+  funcs["r"] = &sim_t::interactive_run_noisy;
+  funcs["rs"] = &sim_t::interactive_run_silent;
+  funcs["reg"] = &sim_t::interactive_reg;
+  funcs["fregs"] = &sim_t::interactive_fregs;
+  funcs["fregd"] = &sim_t::interactive_fregd;
+  funcs["mem"] = &sim_t::interactive_mem;
+  funcs["str"] = &sim_t::interactive_str;
+  funcs["until"] = &sim_t::interactive_until;
+  funcs["while"] = &sim_t::interactive_until;
+  funcs["q"] = &sim_t::interactive_quit;
+
   while (!htif->done())
   {
     std::cerr << ": " << std::flush;
@@ -67,20 +81,6 @@ void sim_t::interactive()
     while (ss >> tmp)
       args.push_back(tmp);
 
-    typedef void (sim_t::*interactive_func)(const std::string&, const std::vector<std::string>&);
-    std::map<std::string,interactive_func> funcs;
-
-    funcs["r"] = &sim_t::interactive_run_noisy;
-    funcs["rs"] = &sim_t::interactive_run_silent;
-    funcs["reg"] = &sim_t::interactive_reg;
-    funcs["fregs"] = &sim_t::interactive_fregs;
-    funcs["fregd"] = &sim_t::interactive_fregd;
-    funcs["mem"] = &sim_t::interactive_mem;
-    funcs["str"] = &sim_t::interactive_str;
-    funcs["until"] = &sim_t::interactive_until;
-    funcs["while"] = &sim_t::interactive_until;
-    funcs["q"] = &sim_t::interactive_quit;
-
     try
     {
       if(funcs.count(cmd))